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High-Performance Ball Nose Cutter in Long Design

This solid carbide 4-flute ball nose cutter is engineered for reliable finishing and medium material removal. The long version offers flexible application possibilities when machining deep pockets and complex 3D contours. Featuring a wear-resistant PVD-TiAlN coating (RT405 grade) and a 30° helix angle, the tool provides smooth cutting action and efficient chip evacuation. Additionally, the centre-cutting capability allows for axial plunging operations.

Suitable materials

Technical data

  • Mill Type: Solid Carbide Ball Nose Cutter
  • Execution: Long Version
  • Cutting Property: Centre Cutting
  • Coating: PVD-TiAlN
Mill Type Solid Carbide Ball Nose Cutter
Helix Angle 30°
Workpiece Material Steel, Stainless Steel, Cast Iron
Processing Medium and Finish
Lenght Long Version
Shank Cylindrical Shank
Flutes 4
Grade RT405: PVD-TIALN-coated high-performance
grade for solid carbide milling cutters
Packaging unit 1 Pc

Dimensions of the Solid Carbide Ball Nose Cutter

Item Nr. D r d(h6) H L Z Version
KFL-Z4-D3.0 RT405 2551491 3 1,5 6 6 75 4 A
KFL-Z4-D4.0 RT405 2551492 4 2 6 8 75 4 A
KFL-Z4-D5.0 RT405 2551493 5 2,5 6 10 75 4 A
KFL-Z4-D6.0 RT405 2551494 6 3 6 12 75 4 B
KFL-Z4-D8.0 RT405 2551495 8 4 8 16 100 4 B
KFL-Z4-D10.0 RT405 2551496 10 5 10 20 100 4 B
KFL-Z4-D12.0 RT405 2551497 12 6 12 24 100 4 B
KFL-Z4-D14.0 RT405 2551498 14 7 14 28 100 4 B
KFL-Z4-D16.0 RT405 2551499 16 8 16 32 150 4 B
KFL-Z4-D20.0 RT405 2551500 20 10 20 40 150 4 B

Applications

This milling cutter is specifically designed for medium machining and finishing tasks. It is highly effective in tool and die making, where reaching deep cavities and machining three-dimensional shapes is a common requirement. The centre-cutting geometry also supports precise plunging movements.

Eckfräsen

Special features

The combination of a long tool body and the RT405 grade makes this cutter a practical choice for deep reach applications. It offers a well-balanced mix of toughness and wear resistance, which is beneficial when maintaining tight tolerances over long machining cycles.

2551491

Data sheet

Materials
Cast Iron
Stainless Steel
Steel
Solid carbide Mills
Ball End Mills

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